*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration:none;
}
li{
    list-style: none;
}
/*导航栏*/
nav{
    height: 80px;
    background-color: #ffffff;
    /*border:1px  solid  black;*/
    overflow: hidden;
}
nav  img{
    margin-top: 18px;
    padding-left: 40px;
}
nav  ul{
    height: 100%;
    margin-left: 50%;
    clear: both;
    margin-top: -28px;
}
nav  ul li{
    float: left;
    margin-left: 8%;
    position: relative;
}
.select{
    color: #e40807;
}
nav  a{
    color: #999;
    text-decoration:none
}
nav   a:hover{
    color: #e40807;
}

/*大轮播图*/
.flex-control-paging li a.flex-active {
    background-color: red;
}


/*思想*/
.ad{
    width: 80%;
    height: 320px;
    margin: 0 auto;
}
.ad h4{
    color: #e40807;
    font-family: "Microsoft YaHei";
    font-size:16px;
    font-weight: 100;
    margin-top: 20px;
}
.ad span{
    font-size:12px;
    margin-top: 0px;
    color: #999;
}
.ad ul{
    clear: both;
}
.ad ul li{
    padding-top: 20px;
    float: left;
    display: block;
    height: 300px;
    width: 33.3%;
}
.ad  ul  div{
    width: 80%;
    height: 230px;
    text-align: center;
    margin: 0 auto;
}
.ad  ul  div:hover{
    border: 1px solid #e40807 ;
}
.ad  ul  div img{
    text-align: center;
    margin: 0 auto;
}
.ad  h5{
    margin-top: 30px;
}